Forging machine



Nov. 22, 1927.

s. T. NELSON FORGING MACHINE Original Filed Jan. 23, 1922 2 Sheets-Sheet 1 Nov. Z2, 1927.

S. T. NELSON FORGING MACHINE 2 Sheets-Sheet 2 Original Filed Jan. 23, 1922 patented Nov. 22, 19.27.

re. re s PATENT rice.

SVEN T. NELSON, OF MICHIGAN CITY, INDIANA, ASSIGN OR T0 SULLIVAN MACHINERY COMPANY, A CORPORATION OF MASSACHUSETTS.

roncrrne MACHINE.

Application filed .Tanuary23, 1922, Serial No. 531,209. Renewed July 18, 1927.

My invention relatesto forging-machines. An ob ect of my invention is to provide an improved forging machine; Another object of my invention is to provide an i1nit proved forging machine having lIIlPI'OVECl means for adjusting a blank which is operated on thereby. A further object of my invention is to provide an improved forging machine which by the cooperation of a single pair of dies and suitable blank adjusting means can completely forge a blank into its finished form. Other objects and nadvantages of my invention will hereinafter more fully appear. y r

In the accompanying drawings I have shown for purposes of illustration, one form which my invention may assume in practice.

In these drawings Fig. 1 is a side elevation of a forging machine constitut ng the illustrativeem bodiment of my invention. s

Fig. 2 1s a plan vlew thereof. Fig. 3 1s a detail central vertical section through the dies and blank adjusting means certain parts being shown in dotted lines in a different position. v

Fig. i is a detail end elevation on an en larged scale with parts broken away.

Fig. 5 is a fragmentary section on the line 55 of Fig. 3. I

In the embodiment of my invention which I have elected to disclose for purposes of illustration, the same is mounted on a heavy base frame 1. Upon this base frame there is pivoted a yoke 2 pivoted upon a transverse axis as illustrated at 3 and carrying at its upper end a rotatably mounted die 4, 'cooperata ing with a stationary die on the base 1, hereinafter descrlbed, and provided with a pcripheral groove 5 whose cross section corre-f sponds to the desired shape of a finished blank. The yoke 2 is connected byv a connecting rod 6 to a crank shaft 7 and under r the control of foot operated clutch mechanism generally indicated at 8 is driven by a heavy fly wheel or driving pulley 9.

Disposed between the sides of the-yoke 2 and carried by the frame 1 is a stationary die 10 adapted to cooperate with the die 4 and adjustable by a screw 11 to take up wear, etc. Adjacent this die and in alinement therewith is a socket 12 adapted to receive a blank 13 andto support it in contiguity to the die 10 during the forgingoperation. It'will be noted that theyoke is so disposed upon the frame that the die 1 is oscillatable over a blank supported in, the groove 12 and adjacent the die 10 and, ob

serving Fig. 4, that the die 10 is a snug fit for theperipheral groove 5 in the die 4. Ar-

mechanism will be readily apparent. The

operating lever 16 will be moved to a position to bring the eccentric 1 1 into a position such that its radius of eccentricity is disposed at a considerable angle to the plane of the socket12. A heated blank 13 will he slipped into thesocket l2 and will slip down if it is a new blank to rest upon the periphery of the cam ofeccentric 14, or until it catches on the die 10 if an old drill bit.

The foot actuated clutch mechanism will be ranged transversely at the bottom of the operated to cause the yoke 2 to oscillate and the die 4 to be moved relative to the die 10. The hand lever 16 will then be turned to cause the cam to gradually protrude the blank in such manner as to cause it to be struck by the moving die t and formed between the stationary die and the grooved periphery of the moving die to the desired shape. Then the blank has been finished, it may be removed by a pair of tongs or in any other suitable manner. v Should'wear of the die 10 occur, it'can be adjusted by its screw 11.

While I have in this application specifi- ,said member about its pivot,

cooperates,

cally described one form which my invention may assume in practice, it will be understood that this form of the same is shown for purposes of illustration and that the invention may be modified and embodied in various other forms without departing from its spirit or the scope of the appended claims.

\Vhat I claim as new and desire to secure by Letters Patent is:

1. In a forging machine, a die, means for causing it to traverse a predetermined path, a stationary die arranged to cooperate with said first mentioned die, a socket adjacent said second mentioned die adapted to receive the shank end of a blank, and means including a shaft whose axis is parallel to the plane of movement of said first mentioned die and perpendicular to the socket for feeding a blank received in said socket. 2. In a forging machine, a die, means for causing it to traverse a predetermined a stationary die arranged to cooperate with said first mentioned die, a socket adjacent said second mentioned die adapted to'receive the shank end of a blank, and

means including a shaft and a pivoted cam carried thereby for adjusting a blank received in said socket.

'3. In a forging machine, a frame, a die carrying member pivoted thereon, a diecarried'by said member, means for oscillating a stationary die with which said first mentioned die a socket adjacent said stationary die to receive a' blank, a cam extending transversely of said socket and adapted to be engaged by the rear end of a blank, and means for adjusting said cam.

4. In a forging machine, a frame, a die carrying member pivoted thereon, a die carried by said member, means for oscillating said member about its pivot, a stationary die with which said first mentioned die cooperates, means for adjusting said stationary die, a socket adjacent said stationary die to receive a blank, a cam extending transversely of said socket and adaptedto be engaged by the rear end of a blank, and means for adjusting said cam including a handle'movable in a plane transverse to the plane of movement of said first mentioned die.

5. In a forging machine, a frame, a stationary die supported thereon, an oscillating-yoke supported on the opposite sides of said frame, a movable die carried by said yoke, means for oscillating said yoke to cause saidmovable die to cooperate with said stationary die, a blank receiving socket adjacent said stationary die, and means slidably engaging a blank for adjusting the same in said socket and disposed between the sides of said yoke.

6. In a forging machine, a frame, a stainember and a crank shaft tionary die supported thereon, an oscillating yoke supported on opposite sides of said frame, a movable die carried by said yoke, means for oscillating, said yoke to cause said movable die to cooperate with said stationary die, a blank receiving socket adjacent said stationary die, and means for adjusting a blank in said socket disposed between the sides of said yoke, and including a shaft lying in the same verticalplanc as said socket.

7. In a forging machine, a die movable in a path in a vertical plane, a stationary die with which said moving die cooperates, ablank receiving socket adjacent said stationary die, and means movable in a plane transverse to the plane of movement of said moving die adapted to slidably engage and feed a blank received in said socket.

S. A forging machine comprising a frame, a blank holder carried thereby, an arm pivoted to said frame, a forging die carried by said arm, means for oscillating said arm and die including a continuously rotating 'arried by said frame, a connecting rod to connect said crank and arm, clutch mechanism disposed between said rotating member and shaft, and means for controlling said clutch at the will of the operator.

9. A forging machine comprising die members, one of said members disposed outside the other, power actuated means including continuously operable means for causing said outer die member to have oscillatable movement relative to the other die member, blank adjusting means, and control means for said power and blank adjusting means, said control means including hand and foot operated members.- i

10. A forging machine comprising a frame, a blank holder carried thereby, an arm pivoted thereto, a 'l'orging die :arried by said arm. means for oscillating said arm and die including a continuously rotating member and crank shaft carried by said frame. a connecting rod to connect said crank and arm, clutch mechanism disposed between said rotating member and shaft. and means for controlling said clutch at the will of the operator, said oscillating means being disposed to the rear of'said blank holder so as to allow clear access to a blank 'arried by said holder. I

11. A forging machine comprising! cooperating dies and means for tansing relative movement between the same including a die supporting member pivotable about a single axis, means for rotatably supporting a die on said member in spaced relation to said pivotal axis, and an actuating element for said member pivotally connccted'to the latter.

12. A forging machine comprising a blank support, a. plurality of cooperating pivotally connz nected to and movable with one of said memers and relative to said blank support, said latter member including a stationary offset pivotii' point. i l

13. A forging in chine comprising ab ank support, .Zlllti means including a member slidably engagable with a blank for adjustill the same, said means including manually operable means rigidly connected thereto.

i l. forging machine comprising ablank support, a rotatable blank engaging member for feeding a blank and manually operable inc-ans ierefor coiniectcd rigidly therewith. it :t'orexiur machine comprising a blank a member slidably engaging a blank the some and normally bearing a relation to l blank support, and daily operable adjusting means theresaid nien'iber and means forming a uni orging machine comprising a blank holder having a raised die against which the cutting face of a cutter bit is formed, a roller die having a groove into which said raised die extends and which is operativeto form the lateralv surfaces of the cutting poi-ti 11 of a bit, means for supporting said roll die comprising an arm movable about a fixed point, and means to move said arm about said point to effect forging operation.

1?. A forging machine comprising a raised blank supporting die, roller die means forging machine comprising a base, g die between which and a WOIk ive iii-ovement takes place during rue-ans therefor comprising a plurality lcillatory members, the ends of which are pivoted together at a point offset from said die.

20. forging machine comprising a base, a forging die, means for supporting the same including a member adapted to have a fixed pivoting point and a plurality of other pivotal connecting points, means for associating said die with one of said other points, and actuating means connected to the other point.

21. A. forging machine comprising blank receiving means and a rotatable cam cooperating therewith and positioned upon an Ltl m mbers, and a forging die con-- g action by the die, and support' axis having a fixed relation to saidblanl;

receiving means for slidably en aging 'a,

blank carried by the receiving means.

22. A forging machine comprising blank receiving means and forging die means,

means for effecting relative movement therebetween, and blank adjusting means posi tioned upon an axis having a fixed relation to said blank receiving means for slidably engaging the blank and movable in a direction transverse to the direction of said relative movement.

23. In a forging machine, a blank support, a plurality of cooperating pivotally connected members, and a roller die connected to and movable with one of said members, said latter member having a stationary pivoting point offset from the die axis.

24. In a forging machine,a grooved roller die, a projecting stationary die formed to extend in the groove in said roller die, and

oscillatory means for effecting a relation of said dies, in which said stationary die extends into the groove in said roller die.

25. In a forging machine, a roller die, a stationary die, means for causing relative movement between said dies, said means, including a plurality of relatively movable cooperating pivotally mounted members pivotally connected together, and means Whereby said roller die is connected to one of said members so as to have movement about a single pivoting point offset from the die axis.

26. In a forging machine, a grooved die,

a complemental stationary projecting die,

formed to extend in the groove in said other die, and oscillatory means for effecting the relation of said dies in which said co1nplemental die extends in the groove in said other die.

27. In a forging machine, a grooved roller die, a complemental stationary die means formed to extend in the groove in said roller die, and oscillatory means for effecting the relation of said die and die means in which said complemental die means extends in the groove of said other die. 7

28. In a forging machine, a grooved die, a complemental stationary die formed to ex tend in thegroove in said other die, and

oscillatory means including a pivotally mounted member carrylng the-said grooved .die'for efiecting a relation of said dies in which said complemental die extends in the groove in said other die.

29. In a forging machine, a grooved roller die, a stationary projecting die formed to extend into the groove in said other die, and

oscillatory means including a pivotally mounted member carrying said roller diev for effecting a relation of said dies in which said stationary die extends intothe groove in said roller die. I v

30. In a forging machine, a groovedroller die, a complemental die formed to extend into the groove in said other die and oscillatory means including a plurality of pivotally mounted members pivotally connected together at one end thereof for effecting a relation of said dies in which said complemental die extends into the groove in said roller die, one ofsaid members carrying said roller die.

31. In a forging machine, a grooved roller die, a stationary die formed to extend into the groove in said other die, and means including an oscillatory yoke carrying said roller die for effecting a relation of said dies in which said stationary die extends into the groove in said roller die.

In testimony whereof I afiix my signature.

SVEN T. NELSON. 

